Memoirs of the Geological Survey of Pakistan, Volumes 5-6The Survey, 1969 |
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Page 20
... differs from this species in size , whorl profile , suture and ornamentation . Potamides pascoi Cox , has a larger shell , and linear suture ; and ornamentation consisting of two rows of tubercles , one row adjacent to each suture with ...
... differs from this species in size , whorl profile , suture and ornamentation . Potamides pascoi Cox , has a larger shell , and linear suture ; and ornamentation consisting of two rows of tubercles , one row adjacent to each suture with ...
Page 16
... differs with the holotype in dimensions , length 20.5 mm . , height 13.5 mm . and thickness ( both valves ) 10.5 mm . Farther distribution in West Pakistan . - The Domanda shale ( Lower Chocolate clays of Eames ) ; Middle Eocene of ...
... differs with the holotype in dimensions , length 20.5 mm . , height 13.5 mm . and thickness ( both valves ) 10.5 mm . Farther distribution in West Pakistan . - The Domanda shale ( Lower Chocolate clays of Eames ) ; Middle Eocene of ...
Page 29
... differs greatly in shape.and ornament , the shell is slipper - like in general appearance , the anterior margin is very broadly convex ; the posterior margin is straight ; ornament consists of granulose radial ribs with wider intervals ...
... differs greatly in shape.and ornament , the shell is slipper - like in general appearance , the anterior margin is very broadly convex ; the posterior margin is straight ; ornament consists of granulose radial ribs with wider intervals ...
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Common terms and phrases
abapertural view aperture appears Arch Archiac & Haime band broadly Chharat consists convex Corbula Cossmann & Pissarro Cotter Cretaceous Description Deshayes designation differs dimensions District D. G. Khan Domanda shale dorsally Drazinda shale Drug section exterior left valve Family fauna feet figured Formation forms fossil Further distribution gastropod Genus Geol geology Ghazij fm gray Group height holotype India intervals Iqbal Italy Jhalar Kohat Lamarck larger length Limestone lines Linne Locality Lower Eocene margin Middle Eocene monotypy ornament Ostrea outline pakistanica Eames Paleocene Paris pelecypod PLATE pointed posterior preserved prominent Quetta Rakhi Nala Range Recent Remarks ribs right valve rounded Shahrig shell short similar slightly soriensis Eames specimen spiral Surv suture thick thin threads Type number.-Specimens type occurrence Type species UCLA umbonal Upper ventral Vredenburg West Pakistan whorls Zinda Pir section